ClinVar Miner

Submissions for variant NM_004064.5(CDKN1B):c.326T>C (p.Val109Ala)

dbSNP: rs2066827
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001218786 SCV001390689 uncertain significance Multiple endocrine neoplasia type 4 2021-09-01 criteria provided, single submitter clinical testing This sequence change replaces valine with alanine at codon 109 of the CDKN1B protein (p.Val109Ala). The valine residue is highly conserved and there is a small physicochemical difference between valine and alanine. This variant is present in population databases (rs2066827, ExAC 0.01%). This variant has not been reported in the literature in individuals affected with CDKN1B-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The alanine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

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